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    48 volt battery

    I have just had a winter service on my 2020 S4. Issue raised that the 48 Volt battery was 50% charged and they indicated they would charge it for me (Only £50 !!). This raises a number of questions: Why is it low ? How do you measure the charge ? How do you charge it ? Is there a...
  2. E

    Active Lane Assist not working ?

    Recently bought a new S4 (2020 model). I have the 'Driver Assistance Pack Tour'. The 'Adaptive Cruise Control with Stop & Go' works as expected. I cannot get 'Active Lane Assist' to work and I not convinced 'Traffic-jam assist' controls the steering when required. Any ideas ?
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